Our Providers

Lawrence J. Mathers, MD, FAAFP, CMO/CMIO

Dr. Mathers studied Chemical Engineering, Biomedical Engineering, and Spanish at Carnegie Mellon University, receiving bachelor’s degrees there. He obtained his medical degree at the University of Pittsburgh and did his residency in Family Medicine with Obstetrics at the Waukesha Family Practice Residency Program. Dr. Mathers is a member of: the American Academy of Family Physicians, the American Congress of Obstetricians and Gynecologists, the American Society for Colposcopy and Cervical Pathology, and Christian Medical and Dental Associations. His professional interests include: family-centered obstetric care, outreach to underserved and migrant populations, medical informatics, and mentoring nurse practitioners, medical students and residents. He is happily married with two wonderful children. His hobbies include distance running, playing piano, and strumming guitar.

Megan DeWitt, MD

Megan DeWitt graduated from Lipscomb University with a Bachelor of Arts degree in both Biology and French. She received her medical degree from the University of Tennessee, Memphis. She completed her Family Medicine residency and one year of OB Fellowship training at John Peter Smith Family Medicine Residency in Fort Worth, Texas. She is a member of the American Academy of Family Physicians and the Tennessee Academy of Family Physicians. She enjoys being a full scope Family Medicine physician who cares for families from birth, during pregnancy, throughout adulthood, and into their elder years.

Nathan DeWitt, MD

Dr. DeWitt completed his undergraduate degree at MTSU and continued his studies at the University of Tennessee Health Science Center. He completed his Family Medicine Residency and OB Fellowship at John Peter Smith Hospital. Dr. DeWitt is a member of ABFM and his professional interests include Full Spectrum Family Medicine, Obstetrics, and Endoscopy.

Behavioral Health Providers

Ida Mae Boatman, MA, LPC-MHSP

Ida received her BA in Psychology from the University of Tennessee, Knoxville and her MA in Counseling from ETSU. She had a dual concentration in School and Community Agency Counseling. Ida is a member of the Tennessee Counseling Association and her areas of professional interest are: Addiction, children, adolescents, trauma, depression, anger management, and coping with chronic illness. She is an East Tennessee native and loves to spend time outdoors with her dogs Buster and Linus. She also enjoys going to movies, local festivals, and road trips around the Southeast.

Sharmian McCoy, MA, LPC-MHSP

Sharmian received her Bachelor of Art in Psychology/Women’s Studies from the University of Tennessee in 1999 and her Master of Art in Counseling with a concentration in Marriage and Family from East Tennessee State University in 2001. She is a trauma-informed clinician trained in Trauma Focused Cognitive Behavioral Therapy (TFCBT) and utilizes other Cognitive Behavioral Therapy (CBT) techniques in her practice working with individuals, children, families and couples. She enjoys reading, hiking, traveling, fishing, boating and spending quality time with her husband and 2 children.

Maureen Carroll Smith, PsyD, Behavioral Health Director

Maureen is a clinical psychologist who earned her doctorate at Florida Tech in 1991, and her bachelor’s in psychology and English at the University of Michigan in 1983. She completed her internship at the Institute for Child and Family Health in Miami, FL., followed by residency training at Counseling and Psychological Services in Melbourne, FL. Maureen’s areas of interest include primary care behavioral health, rural healthcare, depression, anxiety, and trauma. She values the opportunity to provide behavioral and emotional support for RMS patients through solution-focused and cognitive behavioral interventions. Maureen enjoys spending time with family and friends, hiking, reading, skiing, and playing music.

Sarah Williamson, LPC

Sarah is a Licensed Professional Counselor in Tennessee and has been in the field for 4 years. She has experience working in outpatient, intensive outpatient, and residential settings. Sarah has worked with a wide range of clients with concerns such as: depression, anxiety, post traumatic stress disorder, addictions, bipolar disorder, other mood disorders, martial issues, career concerns, adjustment difficulties, pandemic related fears and anxiety, ADHD, and OCD. She has experience working with children and adolescents, as well as adults. Sarah has also worked with geriatric adults. 

It takes a tremendous amount of courage to trust someone to walk with you through emotional recovery. She is ready to help you through these next steps.




Nurse Practitioners

Emily Barnett, FNP

Emily graduated with her Bachelor’s from Carson Newman University and worked as a nurse for 15 years specializing in critical care and operating room. She then completed her Masters of Science in Nursing from Tusculum University. She is a Family Nurse Practitioner who is board certified by the ANCC. Emily is married with four children and enjoys taking care of patients of all ages.

Kristi Bradshaw, FNP-BC

Kristi is a graduate of Carson Newman College/University for both her undergraduate studies and her Master of Science in Nursing. She is a member of both ANCC and AANP. Kristi is married and has two children.

Richard F. Connelly, FNP

Richard received his Bachelor of Science in Nursing degree from the University of Virginia in Charlottesville, VA in May, 1992, and his Master of Science of Nursing degree from the University of Tennessee in December, 1994. He is certified by the American Nurses Credentialing Center as a Family Nurse Practitioner.

Richard has been with Rural Medical Services since August, 1997. He is married, and he enjoys hiking in the Smoky Mountains.

Jessica Duncan, FNP-BC

Jessica attended East Tennessee State University in Johnson City, TN and received her Bachelor of Science in Nursing in 2001. She then completed her Master of Science in Nursing at Frontier Nursing University in Hyden, KY in 2013. Jessica is a member of ANCC and AANP. She is board certified as a Family Nurse Practitioner and enjoys treating patients of all ages. Jessica is married with one child and spends her free time with her family, traveling and attending sporting events.

Brandi M Haynes, FNP-BC

Brandi attended Walters State Community College where she earned an Associate of Applied Science in Nursing, and ETSU where she completed her Bachelor of Science in Nursing. She also received her Master of Science in Nursing FNP at ETSU and has the ANCC FNP certification. Brandi moved to Tennessee from W.Va. in 2001. Prior to graduating with her MSN, she worked as an Emergency Room Nurse. She enjoys spending time with her son Jaxson, her significant other Brian and her German Shepard, Maverick.

Chasity Hensley, FNP

Chasity has been a Registered Nurse for eleven years and a Family Nurse Practitioner for five years. She is married to Brandon Hensley and they have five children. She went to Carson- Newman College for her undergraduate program and LMU for her graduate program. Her main interest in healthcare is Primary Care. She enjoys spending time with family, going to church, shopping, traveling, reading, and cooking.

Melissa Lamb, DNP, FNP

Melissa received both her BSN (with Honors) and her MSN from Carson Newman University. Melissa (Dr. Lamb) also completed her DNP at the UT Health Science Center. She is a member of AANP and TNNPA. She is married with one child.

Rachel Mathers, FNP

Rachel received her BSN from the University of Pittsburgh and obtained her MSN from the University of Wisconsin, Milwaukee. She is Board Certified: ANCC.

Brittany Pruitt Dixon, FNP

Brittany obtained her undergraduate degree at ETSU and completed her MSN at Carson-Newman University in 2018. She is a member of the AANC and she is married.

Kristi Ryan, MSN, FNP-BC

Kristi attended East Tennessee State University where she earned her BSN. She continued her studies at Carson Newman University, completing her MSN there. Women’s health is one of her special interests. Her hobbies include reading, traveling (especially cruising), and watching her favorite sports teams (Tennessee Vols, Atlanta Braves, and Nashville Predators).

Last Updated on January 16, 2023.